diff --git a/.gitignore b/.gitignore
index 2f7659c..2cca27d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,4 @@
 /OpenHantek6022-3.2.3.tar.gz
 /OpenHantek6022-3.2.4.tar.gz
 /OpenHantek6022-3.2.5.tar.gz
+/OpenHantek6022-3.3.0-rc1.tar.gz
diff --git a/openhantek.spec b/openhantek.spec
index 4735464..ba2e3ab 100644
--- a/openhantek.spec
+++ b/openhantek.spec
@@ -1,11 +1,11 @@
 Name:           openhantek
-Version:        3.2.5
-Release:        2%{?dist}
+Version:        3.3.0
+Release:        rc1.1%{?dist}
 Summary:        Hantek and compatible USB digital signal oscilloscope
 
 License:        GPLv3+ and GPLv2+ and ASL 2.0
 URL:            https://github.com/OpenHantek/OpenHantek6022
-Source0:        %{url}/archive/%{version}/OpenHantek6022-%{version}.tar.gz
+Source0:        %{url}/archive/%{version}-rc1/OpenHantek6022-%{version}-rc1.tar.gz
 
 BuildRequires:  gcc-c++
 BuildRequires:  cmake3
@@ -31,7 +31,7 @@ OpenHantek is a free software for Hantek and compatible
 Supported devices: 6022BE/BL.
 
 %prep
-%autosetup -n OpenHantek6022-%{version}
+%autosetup -n OpenHantek6022-%{version}-rc1
 
 %build
 %cmake3
@@ -47,8 +47,8 @@ rm %{buildroot}%{_datadir}/doc/%{name}/*
 desktop-file-validate %{buildroot}%{_datadir}/applications/OpenHantek.desktop
 
 %files
-%license COPYING LICENSE
-%doc README.md CHANGELOG docs/OpenHantek6022_User_Manual.pdf
+%license LICENSE
+%doc README.md CHANGELOG docs/OpenHantek6022_User_Manual.pdf CODE_OF_CONDUCT
 %{_bindir}/OpenHantek
 %{_datadir}/applications/OpenHantek.desktop
 %{_datadir}/icons/hicolor/scalable/apps/OpenHantek.svg
@@ -56,6 +56,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/OpenHantek.desktop
 
 
 %changelog
+* Sat Apr 30 2022 Vasiliy N. Glazov <vascom2@gmail.com> - 3.3.0-rc1-1
+- Update to 3.3.0-rc1
+
 * Thu Jan 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 3.2.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
 
diff --git a/sources b/sources
index 3c6bd36..beac1c8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (OpenHantek6022-3.2.5.tar.gz) = 22f5d9098fe19c997d7e873cacf510d85934ef94459f24748ba9aa37bdbe1e2a7ee7831a812d38c9fdb8c2a09aa5cabb1a9a1e940d99a0be996d122e62392a64
+SHA512 (OpenHantek6022-3.3.0-rc1.tar.gz) = 4c3b5e2687b5369c56c5d6f09bb8e3104c0b8ca08569443d2cffedb7cd0c4afcaec42312e40bccdb2869127111713fa0805a3396cb1cfd650be868e6f76e66d0